package com.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class AnnoAdvice {
    //切点
    @Pointcut("execution(* com.dao.impl.UserDaoImpl.*(..))")
    public void pointcut() {}

    @Before("pointcut()")
    public void before(JoinPoint joinPoint) {
        System.out.println("这是前置通知！");
        System.out.println("目标类是:" + joinPoint.getSignature().getName());
        System.out.println(".被织入增强处理的目标方法为:" + joinPoint.getSignature().getName());
    }
    @AfterReturning("pointcut()")
    public void afterReturning(JoinPoint joinPoint) {
        System.out.print("这是返回通知！");
        System.out.println(",被织入增强处理的目标方法为:"+joinPoint.getSignature().getName());
    }

    @Around("pointcut()")
    public Object arouund(ProceedingJoinPoint point) throws Throwable {
        System.out.println("这是环绕通知之前的部分!");
        Object object = point.proceed();
        System.out.println("这是环绕通知之后的部分!");
        return object;
    }

    @AfterThrowing("pointcut()")
    public void afterException(){
        System.out.println("通知异常");

    }

    @After("pointcut()")
    public void after(){
        System.out.println("这是后置通知!");
    }
}
